** Changed in: hwe-next
Status: New => Fix Released
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1900847
Title:
Fix non-working Intel NVMe after S3
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
Status in linux-oem-5.6 source package in Groovy:
Invalid
Bug description:
[Impact]
Intel NVMe has a 10% chance to stop working after S3.
[Fix]
Enable ACS quirk on Intel CML root port.
[Test]
With the patch applied, Intel NVMe mostly works after S3. There's still a
1/1000 chance the issue happens. Intel is investigating the root cause.
[Regression Potential]
ACS works at hardware level, so I can't really assess the risk of
regression. Since Intel confirmed CML also needs ACS quirk, we can only
trust them until they devise a real fix.
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